This original Seiko spare part, part number 354805 , is a one-piece winding stem (Japanese: 巻上げステム), suitable for the automatic movements Seiko Cal. 4005 and Seiko Cal. 4006A . It is a rare, discontinued original part from a vintage watchmaker's inventory.
compatibility The 354805 elevator shaft is used in, among others, the following factories: • Seiko Cal. 4005 (automatic) • Seiko Cal. 4006A (automatic, Bell-Matic)
This shaft is essential for the complete winding and hand-setting mechanism and is specifically required for the Bell-Matic models , including various references of the 4006 and 4005 series.
Condition • Original Seiko “New Old Stock” • Unused and stored clean
